idea啟動springboot +maven項目報錯：
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. ____ _ __ _ _
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/\\ / ___
'_ __ _ _(_)_ __ __ _ \ \ \ \
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( ( )\___ | '_ |
'_| | '_ \/ _` | \ \ \ \
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\\/ ___)| |_)| | | | | || (_| | ) ) ) )
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' |____| .__|_| |_|_| |_\__, | / / / /
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:: Spring Boot :: (v1.4.1.RELEASE)
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[ INFO ] [2017-11-03 14:50:17:017] com.taikang.Application [48] [main]- Starting Application on WMM with PID 4384 (started by Administrator in G:\workspace-s\IdeaProjects\hello)
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[ INFO ] [2017-11-03 14:50:17:017] com.taikang.Application [665] [main]- The following profiles are active: DEV
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[ INFO ] [2017-11-03 14:50:17:017] org.hibernate.validator.internal.util.Version [30] [background-preinit]- HV000001: Hibernate Validator 5.2.4.Final
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[ INFO ] [2017-11-03 14:50:18:018] org.springframework.context.annotation.AnnotationConfigApplicationContext [581] [main]- Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@bdd8f7: startup date [Fri Nov 03 14:50:18 CST 2017]; root of context hierarchy
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[ WARN ] [2017-11-03 14:50:18:018] org.springframework.context.annotation.AnnotationConfigApplicationContext [549] [main]- Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.taikang.Application]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
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Disconnected from the target VM, address: '
127.0.0.1:
60450
', transport: 'socket
'
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[ ERROR] [2017-11-03 14:50:18:018] org.springframework.boot.SpringApplication [839] [main]- Application startup failed
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org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.taikang.Application]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
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at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:187)
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at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:324)
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at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:246)
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at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273)
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at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98)
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at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
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at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
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at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761)
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at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371)
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at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
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at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186)
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at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175)
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at com.taikang.Application.main(Application.java:36)
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Caused by: java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
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at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:163)
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at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:301)
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at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:237)
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at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:204)
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at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:173)
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... 12 common frames omitted
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Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
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at java.lang.Class.getDeclaredMethods0(Native Method)
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at java.lang.Class.privateGetDeclaredMethods(Class.java:2615)
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at java.lang.Class.getDeclaredMethods(Class.java:1860)
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at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:152)
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... 16 common frames omitted
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Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
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at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
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at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
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at java.security.AccessController.doPrivileged(Native Method)
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at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
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at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
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at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
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at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
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... 20 common frames omitted
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Process finished with exit code 1
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解決辦法：
點此參考地址打開連接：https://stackoverflow.com/questions/37938289/spring-boot-java-lang-classnotfoundexception-javax-servlet-servletcontext-and
pom.xml中的
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In maven, I changed the scope like this: <scope>provided</scope> to <scope>compile</scope> and it worked!!.
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<scope>provided</scope>to<scope>compile</scope>and it worked!!.